By twisting end cap ten seconds to charge power , easily bring you lights for camping, climbing, traveling, voyaging, exploration. It is requisite for outdoor campaign.

• 一种全新的手电筒，只需要，拎动10秒钟，就可带来持续的光明，是露营、登山、旅游、航海、探险、科学考察等户外活动的必选装备。终身不需要电池。